Mattress cover



FIG. 1 is an upper perspective view of a mattress cover design;

FIG. 2 is a top view of the design of FIG. 1;

FIG. 3 is a first side view of the design of FIG. 1;

FIG. 4 is a second side view of the design of FIG. 1;

FIG. 5 is a first end view of the design of FIG. 1;

FIG. 6 is a second end view of the design of FIG. 1;

FIG. 7 is an upper perspective view of a second mattress cover design;

FIG. 8 is a top view of the design of FIG. 7;

FIG. 9 is a first side view of the design of FIG. 7;

FIG. 10 is a second side view of the design of FIG. 7;

FIG. 11 is a first end view of the design of FIG. 7; and,

FIG. 12 is a second end view of the design of FIG. 7.

The broken lines shown in the drawings are included for the purpose of illustrating the unclaimed boundary and unclaimed portions of the mattress cover, pattern or border. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a mattress cover, as shown and described. 